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1+2b−13=12−4b−2b1+2b-13=12-4b-2b for bb.

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

What is 0.000008 meters in scientific notation

What is the area of the shaded sector?